Exceptionally close fit thanks to light and breathable surface material
Tread sole: TPR
Inner material: Polyurethane inner sole, fabric-covered, TPU/PU intermediate sole
Surface material: High-grade Air Mesh, PU and TPU heel clip
AFR intermediate sole (active force return): This innovative intermediate sole material provides superb cushioning and delivers positive returned energy to the runner with every step. At the same time, the material is especially long-lasting and retains its positive characteristics considerably longer than conventional phylon.
Preformed, padded, and removable polyurethane insole
Flexible, lightweight TPR tread sole with anatomically arranged flex grooves
Additional stability thanks to the preformed, external TPU heel counter